The development of tolerance to and of physical dependence on morphine following intraventricular injection in the rat.
D000700:Analgesics / Q000494:pharmacology; D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D001923:Brain Chemistry; D002552:Cerebral Ventricles; D003864:Depression, Chemical; D004361:Drug Tolerance; D005334:Fever / Q000139:chemically induced; D006801:Humans; D007267:Injections; D007279:Injections, Subcutaneous; D007977:Levallorphan / Q000494:pharmacology; D008297:Male; D009020:Morphine / Q000008:administration & dosage* / Q000037:antagonists & inhibitors; D009021:Morphine Dependence; D009638:Norepinephrine / Q000032:analysis; D051381:Rats; D013375:Substance Withdrawal Syndrome
D000700:Analgesics; D007977:Levallorphan; D009020:Morphine; D009638:Norepinephrine